理论很少被更好的理论推翻，更多的是被失去兴趣的实践者抛弃。

美本身不是目的，而是问题完美解决的结果。

There is no despair so absolute as that which comes with the first moments of our first great sorrow, when we have not yet known what it is to have suffered and be healed, to have despaired and have recovered.

The true cost of coal must account for both its immediate value and its long-term impact on communities and ecosystems.